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AD8032B

更新时间： 2024-10-27 22:53:31
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
16页 250K
描述
2.7 V, 800 uA, 80 MHz Rail-to-Rail I/O Amplifiers

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AD8032B 数据手册

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2.7 V, 800 ␮A, 80 MHz  
a
Rail-to-Rail I/O Amplifiers  
AD8031/AD8032  
FEATURES  
CONNECTION DIAGRAMS  
Low Power  
8-Lead Plastic DIP (N)  
and SOIC (R) Packages  
8-Lead Plastic DIP (N),  
SOIC (R) and ␮SOIC (RM)  
Packages  
Supply Current 800 ␮A/Amplifier  
Fully Specified at +2.7 V, +5 V and ؎5 V Supplies  
High Speed and Fast Settling on +5 V  
80 MHz –3 dB Bandwidth (G = +1)  
30 V/␮s Slew Rate  
125 ns Settling Time to 0.1%  
Rail-to-Rail Input and Output  
No Phase Reversal with Input 0.5 V Beyond Supplies  
Input CMVR Extends Beyond Rails by 200 mV  
Output Swing to Within 20 mV of Either Rail  
Low Distortion  
AD8031  
NC  
–IN  
+IN  
NC  
+V  
1
8
OUT1  
–IN1  
+IN1  
8
7
6
5
+V  
S
1
2
3
4
2
3
7
6
OUT2  
–IN2  
S
OUT  
NC  
–V  
S
5
–V  
S
+IN2  
4
AD8032  
NC = NO CONNECT  
5-Lead Plastic Surface Mount Package  
SOT-23-5 (RT-5)  
–62 dB @ 1 MHz, VO = 2 V p-p  
–86 dB @ 100 kHz, VO = 4.6 V p-p  
Output Current: 15 mA  
AD8031  
V
1
2
3
+V  
S
5
OUT  
High Grade Option  
–V  
S
VOS (max) = 1.5 mV  
APPLICATIONS  
4
–IN  
+IN  
(Not to Scale)  
High-Speed Battery-Operated Systems  
High Component Density Systems  
Portable Test Instruments  
A/D Buffer  
Active Filters  
High-Speed Set-and-Demand Amplifier  
to high-speed systems where component density requires lower  
power dissipation. The AD8031/AD8032 are available in 8-lead  
plastic DIP and SOIC packages and will operate over the indus-  
trial temperature range of –40°C to +85°C. The AD8031A is also  
available in the space-saving 5-lead SOT-23-5 package and the  
AD8032A is available in AN 8-lead µSOIC package.  
GENERAL DESCRIPTION  
The AD8031 (single) and AD8032 (dual) single supply voltage  
feedback amplifiers feature high-speed performance with 80 MHz  
of small signal bandwidth, 30 V/µs slew rate and 125 ns settling  
time. This performance is possible while consuming less than  
4.0 mW of power from a single +5 V supply. These features  
increase the operation time of high speed battery-powered  
systems without compromising dynamic performance.  
The products have true single supply capability with rail-to-rail  
input and output characteristics and are specified for +2.7 V,  
+5 V and ±5 V supplies. The input voltage range can extend to  
500 mV beyond each rail. The output voltage swings to within  
20 mV of each rail providing the maximum output dynamic range.  
2␮s/Div  
2␮s/Div  
Input VIN  
Output VOUT  
The AD8031/AD8032 also offer excellent signal quality for only  
800 µA of supply current per amplifier; THD is –62 dBc with a  
2 V p-p, 1 MHz output signal and –86 dBc for a 100 kHz, 4.6 V p-p  
signal on +5 V supply. The low distortion and fast settling time  
make them ideal as buffers to single supply, A-to-D converters.  
+5V  
V
OUT  
V
IN  
1.7pF  
1k⍀  
+2.5V  
Operating on supplies from +2.7 V to +12 V and dual supplies up to  
±6 V, the AD8031/AD8032 are ideal for a wide range of applications,  
from battery-operated systems with large bandwidth requirements  
Circuit Diagram  
Figure 1. Rail-to-Rail Performance at 100 kHz  
REV. B  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, nor for any infringements of patents or other rights of third parties  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1999  
1234567...16

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